package com.wgy.day18.综合练习;

public class Keyboard implements USB {
    @Override
    public void open() {
        System.out.println("打开键盘");

    }
    public void type() {
        System.out.println("键盘输入");
    }
    @Override
    public void close() {
        System.out.println("关闭键盘");

    }
}
